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Finding the Fourth Proportional to 25,437, 35,103.06 and 15,501

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Solution

The fourth proportional to 25,437, 35,103.06 and 15,501 is: 21,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437 : 35,103.06 = 15,501 : x
  2. Step 2: Convert to fraction form
    25,437/35,103.06 = 15,501/x
  3. Step 3: Cross multiply
    25,437x = 35,103.06 × 15,501
  4. Step 4: Simplify right side
    25,437x = 544,132,533.06
  5. Step 5: Solve for x
    x = 544,132,533.06/25,437
  6. Step 6: Final answer
    x = 21,391.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.